cifs: make various routines use the cifsFileInfo->tcon pointer
...where it's available and appropriate.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index eeb8c67..7193494 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -589,6 +589,7 @@
/* note that this is called by vfs setlease with the BKL held
although I doubt that BKL is needed here in cifs */
struct inode *inode = file->f_path.dentry->d_inode;
+ struct cifsFileInfo *cfile = file->private_data;
if (!(S_ISREG(inode->i_mode)))
return -EINVAL;
@@ -599,8 +600,7 @@
((arg == F_WRLCK) &&
(CIFS_I(inode)->clientCanCacheAll)))
return generic_setlease(file, arg, lease);
- else if (CIFS_SB(inode->i_sb)->tcon->local_lease &&
- !CIFS_I(inode)->clientCanCacheRead)
+ else if (cfile->tcon->local_lease && !CIFS_I(inode)->clientCanCacheRead)
/* If the server claims to support oplock on this
file, then we still need to check oplock even
if the local_lease mount option is set, but there
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 60061b9..84979fc 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -461,7 +461,7 @@
}
cifs_sb = CIFS_SB(inode->i_sb);
- tcon = cifs_sb->tcon;
+ tcon = pCifsFile->tcon;
/* can not grab rename sem here because various ops, including
those that already have the rename sem can end up causing writepage
@@ -575,7 +575,7 @@
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
- pTcon = cifs_sb->tcon;
+ pTcon = pSMBFile->tcon;
if (pSMBFile) {
struct cifsLockInfo *li, *tmp;
write_lock(&GlobalSMBSeslock);
@@ -653,11 +653,7 @@
xid = GetXid();
if (pCFileStruct) {
- struct cifsTconInfo *pTcon;
- struct cifs_sb_info *cifs_sb =
- CIFS_SB(file->f_path.dentry->d_sb);
-
- pTcon = cifs_sb->tcon;
+ struct cifsTconInfo *pTcon = pCFileStruct->tcon;
cFYI(1, "Freeing private data in close dir");
write_lock(&GlobalSMBSeslock);
@@ -767,7 +763,7 @@
cFYI(1, "Unknown type of lock");
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- tcon = cifs_sb->tcon;
+ tcon = ((struct cifsFileInfo *)file->private_data)->tcon;
if (file->private_data == NULL) {
rc = -EBADF;
@@ -960,14 +956,14 @@
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- pTcon = cifs_sb->tcon;
-
/* cFYI(1, " write %d bytes to offset %lld of %s", write_size,
*poffset, file->f_path.dentry->d_name.name); */
if (file->private_data == NULL)
return -EBADF;
+
open_file = file->private_data;
+ pTcon = open_file->tcon;
rc = generic_write_checks(file, poffset, &write_size, 0);
if (rc)
@@ -1062,14 +1058,13 @@
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- pTcon = cifs_sb->tcon;
-
cFYI(1, "write %zd bytes to offset %lld of %s", write_size,
*poffset, file->f_path.dentry->d_name.name);
if (file->private_data == NULL)
return -EBADF;
open_file = file->private_data;
+ pTcon = open_file->tcon;
xid = GetXid();
@@ -1284,7 +1279,6 @@
int rc = -EFAULT;
int bytes_written = 0;
struct cifs_sb_info *cifs_sb;
- struct cifsTconInfo *pTcon;
struct inode *inode;
struct cifsFileInfo *open_file;
@@ -1293,7 +1287,6 @@
inode = page->mapping->host;
cifs_sb = CIFS_SB(inode->i_sb);
- pTcon = cifs_sb->tcon;
offset += (loff_t)from;
write_data = kmap(page);
@@ -1352,6 +1345,7 @@
int nr_pages;
__u64 offset = 0;
struct cifsFileInfo *open_file;
+ struct cifsTconInfo *tcon;
struct cifsInodeInfo *cifsi = CIFS_I(mapping->host);
struct page *page;
struct pagevec pvec;
@@ -1501,8 +1495,9 @@
cERROR(1, "No writable handles for inode");
rc = -EBADF;
} else {
+ tcon = open_file->tcon;
long_op = cifs_write_timeout(cifsi, offset);
- rc = CIFSSMBWrite2(xid, cifs_sb->tcon,
+ rc = CIFSSMBWrite2(xid, tcon,
open_file->netfid,
bytes_to_write, offset,
&bytes_written, iov, n_iov,
@@ -1520,8 +1515,7 @@
else
set_bit(AS_EIO, &mapping->flags);
} else {
- cifs_stats_bytes_written(cifs_sb->tcon,
- bytes_written);
+ cifs_stats_bytes_written(tcon, bytes_written);
}
}
for (i = 0; i < n_iov; i++) {
@@ -1665,7 +1659,7 @@
if (rc == 0) {
rc = CIFS_I(inode)->write_behind_rc;
CIFS_I(inode)->write_behind_rc = 0;
- tcon = CIFS_SB(inode->i_sb)->tcon;
+ tcon = smbfile->tcon;
if (!rc && tcon && smbfile &&
!(CIFS_SB(inode->i_sb)->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
rc = CIFSSMBFlush(xid, tcon, smbfile->netfid);
@@ -1750,7 +1744,6 @@
xid = GetXid();
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- pTcon = cifs_sb->tcon;
if (file->private_data == NULL) {
rc = -EBADF;
@@ -1758,6 +1751,7 @@
return rc;
}
open_file = file->private_data;
+ pTcon = open_file->tcon;
if ((file->f_flags & O_ACCMODE) == O_WRONLY)
cFYI(1, "attempting read on write only file instance");
@@ -1831,7 +1825,6 @@
xid = GetXid();
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- pTcon = cifs_sb->tcon;
if (file->private_data == NULL) {
rc = -EBADF;
@@ -1839,6 +1832,7 @@
return rc;
}
open_file = file->private_data;
+ pTcon = open_file->tcon;
if ((file->f_flags & O_ACCMODE) == O_WRONLY)
cFYI(1, "attempting read on write only file instance");
@@ -1974,7 +1968,7 @@
}
open_file = file->private_data;
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- pTcon = cifs_sb->tcon;
+ pTcon = open_file->tcon;
/*
* Reads as many pages as possible from fscache. Returns -ENOBUFS
@@ -2312,7 +2306,6 @@
oplock_break);
struct inode *inode = cfile->pInode;
struct cifsInodeInfo *cinode = CIFS_I(inode);
- struct cifs_sb_info *cifs_sb = CIFS_SB(cfile->mnt->mnt_sb);
int rc, waitrc = 0;
if (inode && S_ISREG(inode->i_mode)) {
@@ -2339,7 +2332,7 @@
* disconnected since oplock already released by the server
*/
if (!cfile->closePend && !cfile->oplock_break_cancelled) {
- rc = CIFSSMBLock(0, cifs_sb->tcon, cfile->netfid, 0, 0, 0, 0,
+ rc = CIFSSMBLock(0, cfile->tcon, cfile->netfid, 0, 0, 0, 0,
LOCKING_ANDX_OPLOCK_RELEASE, false);
cFYI(1, "Oplock release rc = %d", rc);
}
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 016975b..0fa1455 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -288,8 +288,8 @@
struct cifs_fattr fattr;
struct inode *inode = filp->f_path.dentry->d_inode;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct cifsTconInfo *tcon = cifs_sb->tcon;
struct cifsFileInfo *cfile = filp->private_data;
+ struct cifsTconInfo *tcon = cfile->tcon;
xid = GetXid();
rc = CIFSSMBUnixQFileInfo(xid, tcon, cfile->netfid, &find_data);
@@ -522,8 +522,8 @@
struct cifs_fattr fattr;
struct inode *inode = filp->f_path.dentry->d_inode;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct cifsTconInfo *tcon = cifs_sb->tcon;
struct cifsFileInfo *cfile = filp->private_data;
+ struct cifsTconInfo *tcon = cfile->tcon;
xid = GetXid();
rc = CIFSSMBQFileInfo(xid, tcon, cfile->netfid, &find_data);
@@ -891,7 +891,7 @@
struct cifsFileInfo *open_file;
struct cifsInodeInfo *cifsInode = CIFS_I(inode);
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct cifsTconInfo *pTcon = cifs_sb->tcon;
+ struct cifsTconInfo *pTcon;
FILE_BASIC_INFO info_buf;
if (attrs == NULL)
@@ -934,9 +934,12 @@
if (open_file) {
netfid = open_file->netfid;
netpid = open_file->pid;
+ pTcon = open_file->tcon;
goto set_via_filehandle;
}
+ pTcon = cifs_sb->tcon;
+
/*
* NT4 apparently returns success on this call, but it doesn't
* really work.
@@ -1611,11 +1614,12 @@
{
int rc = 0;
struct inode *inode = filp->f_path.dentry->d_inode;
+ struct cifsFileInfo *cfile = (struct cifsFileInfo *) filp->private_data;
if (!cifs_inode_needs_reval(inode))
goto check_inval;
- if (CIFS_SB(inode->i_sb)->tcon->unix_ext)
+ if (cfile->tcon->unix_ext)
rc = cifs_get_file_info_unix(filp);
else
rc = cifs_get_file_info(filp);
@@ -1720,7 +1724,7 @@
struct cifsFileInfo *open_file;
struct cifsInodeInfo *cifsInode = CIFS_I(inode);
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct cifsTconInfo *pTcon = cifs_sb->tcon;
+ struct cifsTconInfo *pTcon = NULL;
/*
* To avoid spurious oplock breaks from server, in the case of
@@ -1735,6 +1739,7 @@
if (open_file) {
__u16 nfid = open_file->netfid;
__u32 npid = open_file->pid;
+ pTcon = open_file->tcon;
rc = CIFSSMBSetFileSize(xid, pTcon, attrs->ia_size, nfid,
npid, false);
cifsFileInfo_put(open_file);
@@ -1749,6 +1754,9 @@
rc = -EINVAL;
if (rc != 0) {
+ if (pTcon == NULL)
+ pTcon = cifs_sb->tcon;
+
/* Set file size by pathname rather than by handle
either because no valid, writeable file handle for
it was found or because there was an error setting
@@ -1798,7 +1806,7 @@
struct inode *inode = direntry->d_inode;
struct cifsInodeInfo *cifsInode = CIFS_I(inode);
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- struct cifsTconInfo *pTcon = cifs_sb->tcon;
+ struct cifsTconInfo *pTcon;
struct cifs_unix_set_info_args *args = NULL;
struct cifsFileInfo *open_file;
@@ -1889,9 +1897,11 @@
if (open_file) {
u16 nfid = open_file->netfid;
u32 npid = open_file->pid;
+ pTcon = open_file->tcon;
rc = CIFSSMBUnixSetFileInfo(xid, pTcon, args, nfid, npid);
cifsFileInfo_put(open_file);
} else {
+ pTcon = cifs_sb->tcon;
rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, args,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 9d38a71..cc70a61 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -37,11 +37,11 @@
int xid;
struct cifs_sb_info *cifs_sb;
#ifdef CONFIG_CIFS_POSIX
+ struct cifsFileInfo *pSMBFile = filep->private_data;
+ struct cifsTconInfo *tcon = pSMBFile->tcon;
__u64 ExtAttrBits = 0;
__u64 ExtAttrMask = 0;
- __u64 caps;
- struct cifsTconInfo *tcon;
- struct cifsFileInfo *pSMBFile = filep->private_data;
+ __u64 caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
#endif /* CONFIG_CIFS_POSIX */
xid = GetXid();
@@ -50,17 +50,6 @@
cifs_sb = CIFS_SB(inode->i_sb);
-#ifdef CONFIG_CIFS_POSIX
- tcon = cifs_sb->tcon;
- if (tcon)
- caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
- else {
- rc = -EIO;
- FreeXid(xid);
- return -EIO;
- }
-#endif /* CONFIG_CIFS_POSIX */
-
switch (command) {
case CIFS_IOC_CHECKUMOUNT:
cFYI(1, "User unmount attempted");
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 6a8b417..d7784a95 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -228,22 +228,21 @@
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
- if (file->private_data == NULL) {
+ cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ if (cifs_sb == NULL)
+ return -EINVAL;
+
+ if (file->private_data == NULL)
file->private_data =
kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
- }
if (file->private_data == NULL)
return -ENOMEM;
cifsFile = file->private_data;
cifsFile->invalidHandle = true;
cifsFile->srch_inf.endOfSearch = false;
-
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- if (cifs_sb == NULL)
- return -EINVAL;
-
- pTcon = cifs_sb->tcon;
+ cifsFile->tcon = cifs_sb->tcon;
+ pTcon = cifsFile->tcon;
if (pTcon == NULL)
return -EINVAL;
@@ -786,9 +785,6 @@
xid = GetXid();
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
- pTcon = cifs_sb->tcon;
- if (pTcon == NULL)
- return -EINVAL;
switch ((int) file->f_pos) {
case 0:
@@ -838,6 +834,7 @@
CIFSFindClose(xid, pTcon, cifsFile->netfid);
} */
+ pTcon = cifsFile->tcon;
rc = find_cifs_entry(xid, pTcon, file,
¤t_entry, &num_to_fill);
if (rc) {